<!DOCTYPE html>
<html>
<head lang="en">
    <meta charset="UTF-8">
    <title></title>
    <script src="../angular.js"></script>
</head>
<body>
<div ng-app="" ng-init="arr=[1,2,3,4,5]">
    <p>第三个 {{arr[2]}}</p>
</div>
</body>
</html>